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path: root/drivers/net/wan
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-rw-r--r--drivers/net/wan/ixp4xx_hss.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c
index 765a7f5d6aa4..1e56e58c6605 100644
--- a/drivers/net/wan/ixp4xx_hss.c
+++ b/drivers/net/wan/ixp4xx_hss.c
@@ -579,7 +579,8 @@ static inline void queue_put_desc(unsigned int queue, u32 phys,
579 debug_desc(phys, desc); 579 debug_desc(phys, desc);
580 BUG_ON(phys & 0x1F); 580 BUG_ON(phys & 0x1F);
581 qmgr_put_entry(queue, phys); 581 qmgr_put_entry(queue, phys);
582 BUG_ON(qmgr_stat_overflow(queue)); 582 /* Don't check for queue overflow here, we've allocated sufficient
583 length and queues >= 32 don't support this check anyway. */
583} 584}
584 585
585 586
@@ -789,7 +790,8 @@ static void hss_hdlc_txdone_irq(void *pdev)
789 free_buffer_irq(port->tx_buff_tab[n_desc]); 790 free_buffer_irq(port->tx_buff_tab[n_desc]);
790 port->tx_buff_tab[n_desc] = NULL; 791 port->tx_buff_tab[n_desc] = NULL;
791 792
792 start = qmgr_stat_empty(port->plat->txreadyq); 793 /* really empty in fact */
794 start = qmgr_stat_nearly_empty(port->plat->txreadyq);
793 queue_put_desc(port->plat->txreadyq, 795 queue_put_desc(port->plat->txreadyq,
794 tx_desc_phys(port, n_desc), desc); 796 tx_desc_phys(port, n_desc), desc);
795 if (start) { 797 if (start) {
@@ -867,13 +869,13 @@ static int hss_hdlc_xmit(struct sk_buff *skb, struct net_device *dev)
867 queue_put_desc(queue_ids[port->id].tx, tx_desc_phys(port, n), desc); 869 queue_put_desc(queue_ids[port->id].tx, tx_desc_phys(port, n), desc);
868 dev->trans_start = jiffies; 870 dev->trans_start = jiffies;
869 871
870 if (qmgr_stat_empty(txreadyq)) { 872 if (qmgr_stat_nearly_empty(txreadyq)) { /* really empty in fact */
871#if DEBUG_TX 873#if DEBUG_TX
872 printk(KERN_DEBUG "%s: hss_hdlc_xmit queue full\n", dev->name); 874 printk(KERN_DEBUG "%s: hss_hdlc_xmit queue full\n", dev->name);
873#endif 875#endif
874 netif_stop_queue(dev); 876 netif_stop_queue(dev);
875 /* we could miss TX ready interrupt */ 877 /* we could miss TX ready interrupt */
876 if (!qmgr_stat_empty(txreadyq)) { 878 if (!qmgr_stat_nearly_empty(txreadyq)) {
877#if DEBUG_TX 879#if DEBUG_TX
878 printk(KERN_DEBUG "%s: hss_hdlc_xmit ready again\n", 880 printk(KERN_DEBUG "%s: hss_hdlc_xmit ready again\n",
879 dev->name); 881 dev->name);